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/** DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.** Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.** The contents of this file are subject to the terms of either the GNU* General Public License Version 2 only ("GPL") or the Common Development* and Distribution License("CDDL") (collectively, the "License"). You* may not use this file except in compliance with the License. You can obtain* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific* language governing permissions and limitations under the License.** When distributing the software, include this License Header Notice in each* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.* Sun designates this particular file as subject to the "Classpath" exception* as provided by Sun in the GPL Version 2 section of the License file that* accompanied this code. If applicable, add the following below the License* Header, with the fields enclosed by brackets [] replaced by your own* identifying information: "Portions Copyrighted [year]* [name of copyright owner]"** Contributor(s):** If you wish your version of this file to be governed by only the CDDL or* only the GPL Version 2, indicate your decision by adding "[Contributor]* elects to include this software in this distribution under the [CDDL or GPL* Version 2] license." If you don't indicate a single choice of license, a* recipient has the option to distribute your version of this file under* either the CDDL, the GPL Version 2 or to extend the choice of license to* its licensees as provided above. However, if you add GPL Version 2 code* and therefore, elected the GPL Version 2 license, then the option applies* only if the new code is made subject to such option by the copyright* holder.*//** @(#)Provider.java 1.11 07/05/04*/package javax.mail;/*** The Provider is a class that describes a protocol * implementation. The values typically come from the* javamail.providers and javamail.default.providers* resource files. An application may also create and* register a Provider object to dynamically add support* for a new provider.** @version 1.11, 07/05/04* @author Max Spivak* @author Bill Shannon*/public class Provider {/*** This inner class defines the Provider type.* Currently, STORE and TRANSPORT are the only two provider types * supported.*/public static class Type {public static final Type STORE = new Type("STORE");public static final Type TRANSPORT = new Type("TRANSPORT");private String type;private Type(String type) {this.type = type;}public String toString() {return type;}}private Type type;private String protocol, className, vendor, version;/*** Create a new provider of the specified type for the specified* protocol. The specified class implements the provider.** @param type Type.STORE or Type.TRANSPORT* @param protocol valid protocol for the type* @param classname class name that implements this protocol* @param vendor optional string identifying the vendor (may be null)* @param version optional implementation version string (may be null)* @since JavaMail 1.4*/public Provider(Type type, String protocol, String classname, String vendor, String version) {this.type = type;this.protocol = protocol;this.className = classname;this.vendor = vendor;this.version = version;}/** Returns the type of this Provider */public Type getType() {return type;}/** Returns the protocol supported by this Provider */public String getProtocol() {return protocol;}/** Returns name of the class that implements the protocol */public String getClassName() {return className;}/** Returns name of vendor associated with this implementation or null */public String getVendor() {return vendor;}/** Returns version of this implementation or null if no version */public String getVersion() {return version;}/** Overrides Object.toString() */public String toString() {String s = "javax.mail.Provider[" + type + "," +protocol + "," + className;if (vendor != null)s += "," + vendor;if (version != null)s += "," + version;s += "]";return s;}}